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sed

Stream editor for filtering and transforming text

command Text ProcessingFile ContentScripting

Overview

Performs basic text transformations on an input stream (a file or input from a pipeline). Primarily used for substitution or for find-and-replace.

Syntax

sed [OPTION]... [SCRIPT] [INPUTFILE...]

Examples

$ sed 's/old/new/g' file.txt

Replace all occurrences of 'old' with 'new' in file.txt.

Related Commands

cat

Concatenate and display file content

grep

Print lines matching a pattern

less

Opposite of more; view file content paginated

head

Output the first part of files

tail

Output the last part of files

awk

Pattern scanning and processing language

sedstreameditorfiltertransformtextreplacesubstitute